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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| # | ||
| # Copyright 2022 Adobe. All rights reserved. | ||
| # This file is licensed to you under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. You may obtain a copy | ||
| # of the License at http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software distributed under | ||
| # the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS | ||
| # OF ANY KIND, either express or implied. See the License for the specific language | ||
| # governing permissions and limitations under the License. | ||
| # | ||
| if(TARGET embree::embree) | ||
| return() | ||
| endif() | ||
|
|
||
| message(STATUS "Third-party (external): creating target 'embree::embree'") | ||
|
|
||
| include(FetchContent) | ||
| FetchContent_Declare( | ||
| embree | ||
| GIT_REPOSITORY https://github.com/embree/embree.git | ||
| GIT_TAG v3.13.4 | ||
| GIT_SHALLOW TRUE | ||
| ) | ||
|
|
||
| # Set Embree's default options | ||
| option(EMBREE_ISPC_SUPPORT "Build Embree with support for ISPC applications." OFF) | ||
| option(EMBREE_TUTORIALS "Enable to build Embree tutorials" OFF) | ||
| option(EMBREE_STATIC_LIB "Build Embree as a static library." ON) | ||
| set(EMBREE_TESTING_INTENSITY 0 CACHE STRING "Intensity of testing (0 = no testing, 1 = verify and tutorials, 2 = light testing, 3 = intensive testing.") | ||
| set(EMBREE_TASKING_SYSTEM "TBB" CACHE STRING "Selects tasking system") | ||
|
|
||
| # The following options are necessary to ensure packed-ray support | ||
| option(EMBREE_RAY_MASK "Enable the usage of mask for packed ray." ON) | ||
| option(EMBREE_RAY_PACKETS "Enable the usage packed ray." ON) | ||
|
|
||
| if(APPLE) | ||
| set(EMBREE_MAX_ISA "NEON" CACHE STRING "Selects highest ISA to support.") | ||
| elseif(EMSCRIPTEN) | ||
| set(EMBREE_MAX_ISA "SSE2" CACHE STRING "Selects highest ISA to support.") | ||
| else() | ||
| set(EMBREE_MAX_ISA "DEFAULT" CACHE STRING "Selects highest ISA to support.") | ||
| endif() | ||
|
|
||
| # We want to compile Embree with TBB support, so we need to overwrite Embree's | ||
| # `find_package()` and provide variables. The following discussion provide some | ||
| # context on how to achieve this: | ||
| # - https://gitlab.kitware.com/cmake/cmake/issues/17735 | ||
| # - https://crascit.com/2018/09/14/do-not-redefine-cmake-commands/ | ||
| function(embree_import_target) | ||
| macro(ignore_package NAME) | ||
| file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/${NAME}Config.cmake "") | ||
| set(${NAME}_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NAME} CACHE PATH "" FORCE) | ||
| endmacro() | ||
|
|
||
| # Prefer Config mode before Module mode to prevent embree from loading its own FindTBB.cmake | ||
| set(CMAKE_FIND_PACKAGE_PREFER_CONFIG TRUE) | ||
|
|
||
| # Embree wants to be able to export() its target, and expects a target named `TBB` to exist. | ||
| # Somehow we stil need to define `TBB_INCLUDE_DIRS`, and linking against `TBB` isn't sufficient | ||
| # to compile embree targets properly. | ||
| include(tbb) | ||
| ignore_package(TBB) | ||
| get_target_property(TBB_INCLUDE_DIRS TBB::tbb INTERFACE_INCLUDE_DIRECTORIES) | ||
| add_library(TBB INTERFACE) | ||
| target_link_libraries(TBB INTERFACE TBB::tbb) | ||
| set(TBB_LIBRARIES TBB) | ||
|
|
||
| # Ready to include embree's atrocious CMake | ||
| FetchContent_MakeAvailable(embree) | ||
|
|
||
| # Disable warnings | ||
| if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") | ||
| # Embree's subgrid.h is known for causing array subscript out of bound | ||
| # warning. Embree dev claim the code is correct and it is a GCC bug | ||
| # for misfiring warnings. See https://github.com/embree/embree/issues/271 | ||
| # | ||
| # The issue should be fixed for gcc 9.2.1 and later. | ||
| target_compile_options(embree PRIVATE "-Wno-array-bounds") | ||
| endif() | ||
|
|
||
| # Now we need to do some juggling to propagate the include directory properties | ||
| # along with the `embree` target | ||
| add_library(embree::embree INTERFACE IMPORTED GLOBAL) | ||
| target_include_directories(embree::embree SYSTEM INTERFACE ${embree_SOURCE_DIR}/include) | ||
| target_link_libraries(embree::embree INTERFACE embree) | ||
| endfunction() | ||
|
|
||
| # Call via a proper function in order to scope variables such as CMAKE_FIND_PACKAGE_PREFER_CONFIG and TBB_DIR | ||
| embree_import_target() | ||
|
|
||
| # Cleanup for IDEs | ||
| foreach(name IN ITEMS embree algorithms lexers math simd sys tasking uninstall) | ||
| if(TARGET ${name}) | ||
| set_target_properties(${name} PROPERTIES FOLDER "third_party//embree") | ||
| endif() | ||
| endforeach() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| # | ||
| # Copyright 2022 Adobe. All rights reserved. | ||
| # This file is licensed to you under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. You may obtain a copy | ||
| # of the License at http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software distributed under | ||
| # the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS | ||
| # OF ANY KIND, either express or implied. See the License for the specific language | ||
| # governing permissions and limitations under the License. | ||
| # | ||
| if(TARGET GKlib::GKlib) | ||
| return() | ||
| endif() | ||
|
|
||
| message(STATUS "Third-party (external): creating target 'GKlib::GKlib'") | ||
|
|
||
| include(FetchContent) | ||
| FetchContent_Declare( | ||
| gklib | ||
| GIT_REPOSITORY https://github.com/KarypisLab/GKlib.git | ||
| GIT_TAG a7f8172703cf6e999dd0710eb279bba513da4fec | ||
| ) | ||
|
|
||
| FetchContent_GetProperties(gklib) | ||
| if(NOT gklib_POPULATED) | ||
| FetchContent_Populate(gklib) | ||
| endif() | ||
|
|
||
| file(GLOB INC_FILES "${gklib_SOURCE_DIR}/*.h" ) | ||
| file(GLOB SRC_FILES "${gklib_SOURCE_DIR}/*.c" ) | ||
| if(NOT MSVC) | ||
| list(REMOVE_ITEM SRC_FILES "${gklib_SOURCE_DIR}/gkregex.c") | ||
| endif() | ||
|
|
||
| add_library(GKlib STATIC ${INC_FILES} ${SRC_FILES}) | ||
| add_library(GKlib::GKlib ALIAS GKlib) | ||
|
|
||
| if(MSVC) | ||
| target_compile_definitions(GKlib PUBLIC USE_GKREGEX) | ||
| target_compile_definitions(GKlib PUBLIC "__thread=__declspec(thread)") | ||
| endif() | ||
|
|
||
| include(GNUInstallDirs) | ||
| target_include_directories(GKlib SYSTEM PUBLIC | ||
| "$<BUILD_INTERFACE:${gklib_SOURCE_DIR}>" | ||
| "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>" | ||
| ) | ||
|
|
||
| # Until [1] is merged, workaround this by making a copying the missing header so it can be found | ||
| # during compilation. | ||
| # [1]: https://github.com/KarypisLab/GKlib/pull/19 | ||
| file(MAKE_DIRECTORY "${gklib_BINARY_DIR}/include/gklib") | ||
| configure_file("${gklib_SOURCE_DIR}/gk_ms_stdint.h" "${gklib_BINARY_DIR}/include/gklib/ms_stdint.h" COPYONLY) | ||
| target_include_directories(GKlib SYSTEM PUBLIC "$<BUILD_INTERFACE:${gklib_BINARY_DIR}/include/gklib>") | ||
|
|
||
| set_target_properties(GKlib PROPERTIES FOLDER third_party) | ||
|
|
||
| if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang" OR | ||
| "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") | ||
| target_compile_options(GKlib PRIVATE | ||
| "-Wno-unused-variable" | ||
| "-Wno-sometimes-uninitialized" | ||
| "-Wno-absolute-value" | ||
| "-Wno-shadow" | ||
| ) | ||
| elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU") | ||
| target_compile_options(GKlib PRIVATE | ||
| "-w" # Disallow all warnings from gklib. | ||
| ) | ||
| elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC") | ||
| target_compile_options(GKlib PRIVATE | ||
| "/w" # Disable all warnings from gklib! | ||
| ) | ||
| endif() | ||
|
|
||
| # Install rules | ||
| set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME gklib) | ||
| install(DIRECTORY ${gklib_SOURCE_DIR}/include DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) | ||
| install(TARGETS GKlib EXPORT GKlib_Targets) | ||
| install(EXPORT GKlib_Targets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/gklib NAMESPACE gklib::) |
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